Interview Question

What is different between a and b function foo() { a

Interview Answer

3 Answers

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The interviewer told me a is a global variable, b is the private variable only exist in function foo. However, I think he is wrong about the global variable a. You cannot access the variable a outside function foo.

Interview Candidate on Jul 10, 2015

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http://www.w3schools.com/js/js_scope.asp

Interviewer on Jul 17, 2015

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I am surprised that you even got an offer when you are demonstrating this kind of a knowledge in public.